<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <div id="echartsBox" style="width: 750px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from "echarts";
import _ from 'lodash'
export default {
  data() {
    return {
    };
  },
  created() {
    
  },
  mounted() {
    // 基于准备好的dom，初始化echarts实例
    let myChart = echarts.init(document.getElementById("echartsBox"));

    // 指定图表的配置项和数据
    let options= {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }
    let newOption = {}
    this.getReport().then(res=>{
        newOption =_.merge(options,res)
    }).then(()=>myChart.setOption(newOption)) // 使用刚指定的配置项和数据显示图表。
   
    
  },
  methods: {
    async getReport() {
      const { data: res } = await this.$http.get("reports/type/1");
      if (res.meta.status !== 200) {
        return this.$message.error("获取数据报表失败");
      }
     return res.data
    },
  },
};
</script>

<style lang="less" scoped>
</style>